MAPPED · refreshed 9h agoLast 10 days of permits · Parcel-joined ~94% · 20 IBC cohorts · field-level DQ flags

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San Francisco building permits

Permits across our 18 cohorts

563,098

563,098 San Francisco permits classified into our 20-cohort taxonomy. Parcel-joined ~94%. 20 IBC cohort tags. Field-level data-quality flags. Older history available via free signup or API; the recency module on this page surfaces the last 10 days.

refreshed 9h ago

564,891 permits in San Francisco. Use Explore the data below for the filterable view.

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Permit mix

Based on this metro's cohort breakdown

Multifamily Alteration is the largest cohort — 51% of tagged permits.

Followed by Commercial Alteration (43%) and Commercial Signage Permits (3%).

Why this page exists

San Francisco on PermitCore: nightly-refreshed, IBC-cohort-tagged, DQ-flagged.

Parcel-joined geometry across San Francisco.

Every commercial permit joined to its lot polygon where source data permits. Join rate Parcel-joined ~94%. Unjoined rows are flagged with addr_unmatched, not silently dropped.

Nightly refresh from the metro's open-data portals.

Refreshed every 24h from San Francisco's public permit datasets. Competitors typically update on the 1st and 15th with multi-week processing lag. PermitCore ingests, cohort-classifies, and DQ-flags by 02:00 local.

Field-level DQ flags on every row.

12 data-quality flags per row. Cell-level transparency on valuation, roof area, IBC class, parcel join, dedup, date sanity. Filter or weight by flag in API queries.

San Francisco by cohort

Sourced from the cohort-distribution artifact · Each links to the cohort page

Multifamily Alterationmultifamily_alteration287,098 Commercial Alterationcommercial_alteration243,216 Commercial Signage Permitscommercial_signage15,274 Multifamily New Constructionmultifamily_new4,579 Residential Alterationresidential_alteration4,518 Commercial Demolitioncommercial_demolition3,225 ADU-Qualifying Constructionadu_qualifying2,836 Commercial New Constructioncommercial_new1,793 Residential Demolitionresidential_demolition528 Industrial New Constructionindustrial_new31

10 cohorts: no permits in window.

Programmatic access

Get the San Francisco permit feed in your stack.

Self-serve API access. Transparent pricing. No sales calls. Pay with a card.

Anonymous — last 10 days of permits visible on every page; no signup neededFree — 1,000 requests / month (up to 100/day) · 5,000 exports / monthPro · $89/mo — 100,000 requests / month · unlimited exportsEnterprise — custom volume + terms

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Custom delivery

Want San Francisco permit data delivered to your CRM or warehouse?

Self-serve API tiers cover most use cases. If you need direct delivery to Salesforce, HubSpot, Snowflake, BigQuery, or a custom warehouse — tell us the shape and we'll scope a path. Replies within one business day.